shekhar suspecting loha singh as the stalker?

why is shekhar telling his mom sumitra that loha sing is behind all the evil things going on in the haveli, for starters he is not in the haveli so how could he do this and he found pics of him and siddheshwari at where madhav was found and lali is acting like siddheshwari and he thinks loha singh would do that think stupid you lived with siddy and she was your wife????? shekhar is confused and acting stupid! what do you think? comments plz...............